[INFO] cloning repository https://github.com/JockeRider199/reazon-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JockeRider199/reazon-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeRider199%2Freazon-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeRider199%2Freazon-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31b7be51349c537abed225f3f743f4654b853f0e
[INFO] checking JockeRider199/reazon-lang against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeRider199%2Freazon-lang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JockeRider199/reazon-lang
[INFO] finished tweaking git repo https://github.com/JockeRider199/reazon-lang
[INFO] tweaked toml for git repo https://github.com/JockeRider199/reazon-lang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JockeRider199/reazon-lang on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JockeRider199/reazon-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d18432a3044df435dfd46bf81e165cca47daf64c7bd42ab87a92c418635824f
[INFO] running `Command { std: "docker" "start" "-a" "7d18432a3044df435dfd46bf81e165cca47daf64c7bd42ab87a92c418635824f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d18432a3044df435dfd46bf81e165cca47daf64c7bd42ab87a92c418635824f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d18432a3044df435dfd46bf81e165cca47daf64c7bd42ab87a92c418635824f", kill_on_drop: false }`
[INFO] [stdout] 7d18432a3044df435dfd46bf81e165cca47daf64c7bd42ab87a92c418635824f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb01b79b63ea902f72fdfcca18e5f46a899a13f1c71cc1e1e12fc4445ebebc7d
[INFO] running `Command { std: "docker" "start" "-a" "bb01b79b63ea902f72fdfcca18e5f46a899a13f1c71cc1e1e12fc4445ebebc7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking reazon-lang v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/error.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       " ".repeat((self.position.get_idx() - 1).try_into().unwrap()) + "^"
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reazon-lang` (bin "reazon-lang" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/error.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       " ".repeat((self.position.get_idx() - 1).try_into().unwrap()) + "^"
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reazon-lang` (bin "reazon-lang") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bb01b79b63ea902f72fdfcca18e5f46a899a13f1c71cc1e1e12fc4445ebebc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb01b79b63ea902f72fdfcca18e5f46a899a13f1c71cc1e1e12fc4445ebebc7d", kill_on_drop: false }`
[INFO] [stdout] bb01b79b63ea902f72fdfcca18e5f46a899a13f1c71cc1e1e12fc4445ebebc7d